<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->


<!DOCTYPE html
  PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en-us" xml:lang="en-us">
<head>
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="DC.Type" content="topic">
<meta name="DC.Title" content="How Do I Check the Network When an Instance Fails to Be Backed Up or Restored? (Applicable to OLTP OPS)">
<meta name="product" content="">
<meta name="DC.Relation" scheme="URI" content="en-us_topic_0000002164657742.html">
<meta name="prodname" content="">
<meta name="version" content="">
<meta name="brand" content="">
<meta name="DC.Publisher" content="20250306">
<meta name="prodname" content="csbs">
<meta name="documenttype" content="usermanual">
<meta name="DC.Format" content="XHTML">
<meta name="DC.Identifier" content="EN-US_TOPIC_0000002200058569">
<meta name="DC.Language" content="en-us">
<link rel="stylesheet" type="text/css" href="public_sys-resources/commonltr.css">
<title>How Do I Check the Network When an Instance Fails to Be Backed Up or Restored? (Applicable to OLTP OPS)</title>
</head>
<body style="clear:both; padding-left:10px; padding-top:5px; padding-right:5px; padding-bottom:5px"><a name="EN-US_TOPIC_0000002200058569"></a><a name="EN-US_TOPIC_0000002200058569"></a>

<h1 class="topictitle1">How Do I Check the Network When an Instance Fails to Be Backed Up or Restored? (Applicable to OLTP OPS)</h1>
<div><div class="section"><h4 class="sectiontitle">Symptom</h4><p>An instance fails to be backed up or restored, and the error code is <strong>0x5E254100</strong>.</p>
</div>
<div class="section"><h4 class="sectiontitle">Possible Causes</h4><p>The backup or restoration operation fails because the network between the client and the database instance is disconnected. You can perform the following steps to check the network connectivity:</p>
</div>
<div class="section"><h4 class="sectiontitle">Troubleshooting</h4><ol><li><span>Check the network connectivity between the client backup plane and the TPOPS service plane. Run the following command on the host where the client is installed. If the address can be pinged, the network connection is normal.</span><p><pre class="screen">ping <em>Address used by TPOPS to provide services for external systems</em></pre>
</p></li><li><span>Check the network connectivity between the client backup plane and the GaussDB instance service plane. Run the following command on the GaussDB instance node. If the IP address can be pinged, the network connection is normal.</span><p><pre class="screen">ping <em>Address used by backupAgent on the host where the client is installed to provide services for external systems</em></pre>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000002164657742.html">FAQs</a></div>
</div>
</div>

<div class="hrcopyright"><hr size="2"></div><div class="hwcopyright">Copyright &copy; Huawei Technologies Co., Ltd.</div></body>
</html>